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Technical University of Munich

Prof. Dr. Thorsten E. E. Grams

Head of the AG Ecophysiology for Plants

Room  EG
email: grams(at)tum.de
Phone: 08161-71 4579
Fax: 08161-71 4767

VITA

Education
2004Habilitation fo Experimental Ecology, TU München, Germany, Mentor: Prof. Dr. R. Matyssek
1995PhD (Dr. rer. nat.), TU Darmstadt, Germany, Supervisors: Prof. Dr. U. Lüttge (Botany), Prof. Dr. F. Beck (Physics)
1992Diploma in Biology, TU Darmstadt, Germany
Academic Positions
since 11/2010Apl. Professor, TU München
2003 - 2010Research Scientist, Ecophysiology of Plants, TU München
2006 - 2007Professor, Ecology of Plants, Bielefeld University
2001 - 2003Postdoctoral Researcher, Department of Integrative Biology - Dawson Lab, Berkelel, California, USA (15 months)
1999 - 2002Principal Investigator and Scientific Coordinator of SFB 607, TU München
1995 - 1998Postdoctoral Researcher ("HGF-Nachwuchswissenschftler"), Institute of Soil Ecology, GSF - National Research Center for Environment and Health
Awards, Fellowships
2010Apl. Professor at TU München
2001 - 2003Research fellow of the Deutsche Forschungsgemeinschaft (DFG)
1995Scholarship holder of "Freunde der TU Darmstadt"
1992 - 1995Scholarship holder of "Studienstiftung des Deutschen Volkes"
Editorial Boards
since 2007Communicating Editor, Trees - Structure and Function
since 2010Review Editor, Frontiers in Plant Science
Committees and functions
since 2019Member of the Scientific Steering Committee of AmazonFACE
since 2018Member of the Advisory Board of the Schimper-Stiftung
2006 - 2009Member of the Steering Committee of the "North American Ait Pollution Workshop"
2006 - 2008Co-Speaker of the Working Group "Experimental Ecology" of the Ecological Society of Germany, Austria and Switzerland

2025

  • Hafner, B. D.; Hesse, B. D.; Grams, T. E. E.: Redistribution of soil water by mature trees towards dry surface soils and uptake by seedlings in a temperate forest. Plant Biology, 2025 more…
  • Hikino, K.; Hesse, B. D.; Gebhardt, T.; Hafner, B. D.; Buchhart, C.; Baumgarten, M.; Häberle, K.‐H.; Grams, T. E. E.: Drought legacy in mature spruce alleviates physiological stress during recurrent drought. Plant Biology, 2025 more…
  • Meyer, Benjamin F.; Darela-Filho, João P.; Gregor, Konstantin; Buras, Allan; Gu, Qiao-Lin; Krause, Andreas; Liu, Daijun; Papastefanou, Phillip; Asuk, Sijeh; Grams, Thorsten E. E.; Zang, Christian S.; Rammig, Anja: Simulating the drought response of European tree species with the dynamic vegetation model LPJ-GUESS (v4.1, 97c552c5). Geoscientific Model Development 18 (14), 2025, 4643-4666 more…
  • Werner, C.; Bahn, M.; Grams, T. E. E.; Grossiord, C.; Haberstroh, S.; Lenczner, G.; Tuia, D.; Vallicrosa, H.: Impact of emerging compound droughts on forests: A water supply and demand perspective. Plant Biology, 2025 more…

2024

  • Damasceno, Amanda Rayane; Garcia, Sabrina; Aleixo, Izabela Fonseca; Menezes, Juliane Cristina Gomes; Pereira, Iokanam Sales; De Kauwe, Martin G.; Ferrer, Vanessa Rodrigues; Fleischer, Katrin; Grams, Thorsten E. E.; Guedes, Alacimar V.; Hartley, Iain Paul; Kruijt, Bart; Lugli, Laynara Figueiredo; Martins, Nathielly Pires; Norby, Richard J.; Pires‐Santos, Julyane Stephanie; Portela, Bruno Takeshi Tanaka; Rammig, Anja; de Oliveira, Leonardo Ramos; Santana, Flávia Delgado; Santos, Yago Rodrigues; de Souza, Crisvaldo Cássio Silva; Ushida, Gabriela; Lapola, David Montenegro; Quesada, Carlos Alberto Nobre; Domingues, Tomas Ferreira: In situ short‐term responses of Amazonian understory plants to elevated CO<sub>2</sub>. Plant, Cell &amp; Environment 47 (5), 2024, 1865-1876 more…
  • Danzberger, Jasmin; Hikino, Kyohsuke; Landhäusser, Simon M.; Hesse, Benjamin D.; Meyer, Sophie; Buegger, Franz; Weikl, Fabian; Grams, Thorsten E. E.; Pritsch, Karin: Drought acclimation of beech seedlings depends largely on their rooting patterns and less on the fungal communities in soils. Plant and Soil, 2024 more…
  • Hesse, Benjamin D.; Hikino, Kyohsuke; Gebhardt, Timo; Buchhart, Claudia; Dervishi, Vjosa; Goisser, Michael; Pretzsch, Hans; Häberle, Karl-Heinz; Grams, Thorsten E.E.: Acclimation of mature spruce and beech to five years of repeated summer drought – The role of stomatal conductance and leaf area adjustment for water use. Science of The Total Environment 951, 2024, 175805 more…
  • Machacova, Katerina; Schindler, Thomas; Bréchet, Laëtitia; Mander, Ülo; Grams, Thorsten E.E.: Substantial uptake of nitrous oxide (N2O) by shoots of mature European beech. Science of The Total Environment 934, 2024, 173122 more…
  • Papastefanou, Phillip; Pugh, Thomas A M; Buras, Allan; Fleischer, Katrin; Grams, Thorsten; Hickler, Thomas; Lapola, David; Liu, Daijun; Zang, Christian; Rammig, Anja: Simulated sensitivity of the Amazon rainforest to extreme drought. Environmental Research Letters, 2024 more…
  • Salomón, Roberto L; Helm, Juliane; Gessler, Arthur; Grams, Thorsten E E; Hilman, Boaz; Muhr, Jan; Steppe, Kathy; Wittmann, Christiane; Hartmann, Henrik: The quandary of sources and sinks of CO2 efflux in tree stems—new insights and future directions. Tree Physiology 44 (1), 2024 more…

2023

  • Gebhardt, Timo; Hesse, Benjamin D.; Hikino, Kyohsuke; Kolovrat, Katarina; Hafner, Benjamin D.; Grams, Thorsten E.E.; Häberle, Karl-Heinz: Repeated summer drought changes the radial xylem sap flow profile in mature Norway spruce but not in European beech. Agricultural and Forest Meteorology 329, 2023, 109285 more…
  • Witzgall, K.; Hesse, B. D.; Seguel, O.; Oses, R.; Grams, T. E. E.; Mueller, C. W.: Tracing Low‐CO<sub>2</sub> Fluxes in Soil Incubation and <sup>13</sup>C Labeling Experiments: A Simplified Gas Sampling System for Respiration and Photosynthesis Measurements. Journal of Geophysical Research: Biogeosciences 128 (9), 2023 more…

2022

  • Hesse, Benjamin D; Gebhardt, Timo; Hafner, Benjamin D; Hikino, Kyohsuke; Reitsam, Anna; Gigl, Michael; Dawid, Corinna; Häberle, Karl-Heinz; Grams, Thorsten E E: Physiological recovery of tree water relations upon drought release—response of mature beech and spruce after five years of recurrent summer drought. Tree Physiology 43 (4), 2022, 522-538 more…
  • Hikino, Kyohsuke; Danzberger, Jasmin; Riedel, Vincent P.; Hesse, Benjamin D.; Hafner, Benjamin D.; Gebhardt, Timo; Rehschuh, Romy; Ruehr, Nadine K.; Brunn, Melanie; Bauerle, Taryn L.; Landhäusser, Simon M.; Lehmann, Marco M.; Rötzer, Thomas; Pretzsch, Hans; Buegger, Franz; Weikl, Fabian; Pritsch, Karin; Grams, Thorsten E. E.: Dynamics of initial carbon allocation after drought release in mature Norway spruce—Increased belowground allocation of current photoassimilates covers only half of the carbon used for fine‐root growth. Global Change Biology 28 (23), 2022, 6889-6905 more…
  • Knüver, T.; Bär, A.; Ganthaler, A.; Gebhardt, T.; Grams, T. E. E.; Häberle, K.‐H.; Hesse, B. D.; Losso, A.; Tomedi, I.; Mayr, S.; Beikircher, B.: Recovery after long‐term summer drought: Hydraulic measurements reveal legacy effects in trunks of <i>Picea abies</i> but not in <i>Fagus sylvatica</i>. Plant Biology 24 (7), 2022, 1240-1253 more…
  • Siegwolf, Rolf T. W.; Savard, Martine M.; Grams, Thorsten E. E.; Voelker, Steve: Impact of Increasing CO2, and Air Pollutants (NOx, SO2, O3) on the Stable Isotope Ratios in Tree Rings. In: Stable Isotopes in Tree Rings. Springer International Publishing, 2022 more…

2021

  • Hesse, Benjamin D.; Hartmann, Henrik; Rötzer, Thomas; Landhäusser, Simon M.; Goisser, Michael; Weikl, Fabian; Pritsch, Karin; Grams, Thorsten E.E.: Mature beech and spruce trees under drought – Higher C investment in reproduction at the expense of whole-tree NSC stores. Environmental and Experimental Botany 191, 2021, 104615 more…
  • Hikino, Kyohsuke; Danzberger, Jasmin; Riedel, Vincent P.; Rehschuh, Romy; Ruehr, Nadine K.; Hesse, Benjamin D.; Lehmann, Marco M.; Buegger, Franz; Weikl, Fabian; Pritsch, Karin; Grams, Thorsten E. E.: High resilience of carbon transport in long‐term drought‐stressed mature Norway spruce trees within 2 weeks after drought release. Global Change Biology 28 (6), 2021, 2095-2110 more…
  • Hikino, Kyohsuke; Danzberger, Jasmin; Riedel, Vincent P.; Rehschuh, Romy; Ruehr, Nadine K.; Hesse, Benjamin D.; Lehmann, Marco M.; Buegger, Franz; Weikl, Fabian; Pritsch, Karin; Grams, Thorsten E. E.: High resilience of carbon transport in long‐term drought‐stressed mature Norway spruce trees within 2 weeks after drought release. Global Change Biology 28 (6), 2021, 2095-2110 more…

2020

  • Papastefanou, Phillip; Zang, Christian S.; Pugh, Thomas A. M.; Liu, Daijun; Grams, Thorsten E. E.; Hickler, Thomas; Rammig, Anja: A Dynamic Model for Strategies and Dynamics of Plant Water-Potential Regulation Under Drought Conditions. Frontiers in Plant Science 11, 2020 more…
  • Schuldt, Bernhard; Buras, Allan; Arend, Matthias; Vitasse, Yann; Beierkuhnlein, Carl; Damm, Alexander; Gharun, Mana; Grams, Thorsten E.E.; Hauck, Markus; Hajek, Peter; Hartmann, Henrik; Hiltbrunner, Erika; Hoch, Günter; Holloway-Phillips, Meisha; Körner, Christian; Larysch, Elena; Lübbe, Torben; Nelson, Daniel B.; Rammig, Anja; Rigling, Andreas; Rose, Laura; Ruehr, Nadine K.; Schumann, Katja; Weiser, Frank; Werner, Christiane; Wohlgemuth, Thomas; Zang, Christian S.; Kahmen, Ansgar: A first assessment of the impact of the extreme 2018 summer drought on Central European forests. Basic and Applied Ecology 45, 2020, 86-103 more…
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